Phillippa Diedrichs, PhD


Phillippa Diedrichs is a Professor of Psychology at the Centre for Appearance Research, University of the West of England in Bristol, UK.

She has an international reputation for creating and using evidence-based insights and strategies to improve body image in community, education, corporate, and policy settings on a local, national, and global scale.  

The evidence-based positive body image tools that Professor Diedrichs has co-created and evaluated have been delivered in 139 countries to over 8.5 million young people through multi-stakeholder partnerships with global youth organisations and business.  

With a PhD in Health Psychology from The University of Queensland in Australia, she is passionate about working in partnership to create environments that accept diversity in appearance and support people, particularly girls and women, to live free from the constraint of appearance concerns. 

At the Centre for Appearance Research, she leads a team of researchers and students investigating psychological and social influences on body image, and the development and evaluation of online and face-to-face body image interventions, advocacy efforts, and campaigns.

She has served as an advisor to the British Government, including the Equalities Office, the Minister for Women and Equalities, the All Party Parliamentary Group on Body Image, and the Mayor of London. She has also provided evidence to UK parliamentary select committees.

Professor Diedrichs regularly consults with businesses, agencies, and organisations on research, communications, campaigns, and advocacy on issues relating to body image, appearance diversity, health promotion, girls and women.

She is an Editorial Board member for the International Journal of Behavioral Health and Medicine and Body Image: An International Journal of Research. She also reviews for over twenty academic journals, including Behaviour Research & Therapy, Health Psychology, International Journal of Eating Disorders, Clinical Psychology Review, Psychological Medicine, and the Journal of Adolescent Health.

When she's not working, Phillippa can usually be found travelling overseas in search of the best beach, the best coffee, the best local foodie spot, and Metallica's latest gig. 



Bachelor of Science (Psychology) First Class Honours (2004)

PhD in Health Psychology (2011)

The University of Queensland, Australia



Can be viewed here.


Grants & Funding

Can be viewed here.



Undergraduate and postgraduate (MSc, DPsyc, PhD) research supervisor.

Guest Lecturer in psychology, public health, evidence-based practice, and using research to influence business, policy and practice.

External examiner for doctoral dissertations. 



Fellow, Academy for Eating Disorders (2017)

Times Higher Education Awards, finalist for 'Most Innovative Contribution to Business-University Collaboration' (2016)

Elsevier Award for Highly Cited Research (2016)

Society for Adolescent Health and Medicine, finalist for DuRant Award for Statiscal Rigor (2016)

Australian Psychological Society Award for Excellent Higher Degree Thesis (2011)

Seymour Fisher Outstanding Body Image Dissertation Award, by Body Image: An International Journal of Research (2011)

Distinction scholarship for Excellence in Eating Disorders Research, The Butterfly Foundation (2008)

Dean's Commendation Award for Academic Excellence, University of Queensland (2002-2004)


* Selected outputs

Photo Credit: Kai Karos & Jessica Alleva